... mechanism include,but are not limited to, acetylation (lysine), phosphoryla-tion (serine, threonine), methylation (lysine, arginine),sumoylation (lysine), and ubiquitination (lysine). Otherepigenetic ... possible to distin-guish the respective cases? In the first case, the celllines were specifically treated to put them into mitosis;this was not so in the second and third cases. How-ever, in two cases ... although there is a good degree of agree-ment about the overall parameters of the fibre formed by folding the zig-zagging chain of nucleosomes in inactive chromatin, the location of the linker histonein...